Eisbär vs Heu-Zwergspanner

Ursus maritimus compared with Idaea inquinata

Key Differences

• Eisbär is Vulnerable while Heu-Zwergspanner is Not Evaluated.

Taxonomic Classification

Rank	Eisbär	Heu-Zwergspanner
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Carnivora (Raubtiere)	Lepidoptera (Schmetterlinge)
Family	Ursidae (Bears)	Geometridae
Genus	Ursus (Bears)	Idaea
Species	Ursus maritimus	Idaea inquinata

Evolutionary Relationship

Eisbär and Heu-Zwergspanner share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Heu-Zwergspanner

NE — Not Evaluated

Physical Characteristics

Attribute	Eisbär	Heu-Zwergspanner
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Eisbär

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Heu-Zwergspanner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries).

Eisbär

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.